The Credit Card Identification Code, or Card Code, is a 3 or 4 digit Security code that is printed on the back of credit cards in reverse italics in the card signature panel (or on the front for American Express cards).
Mount Vernon, Illinois. Mount Vernon known as The King City is a city in and the county seat of Jefferson County, Illinois, United States. The population was 15,277 at the 2010 census. Mount Vernon is the principal city of the Mount Vernon Micropolitan Statistical Area, which includes all of Jefferson and Hamilton counties.
Vernon Hills, Illinois. Vernon Hills is a village in Lake County, Illinois, United States, and an affluent northern suburb of Chicago. The population was 20,120 at the 2000 census, and 25,113 in 2010. Vernon Hills serves as a retail hub for its surrounding area (Libertyville, Lake Forest, Long Grove, Lincolnshire and Buffalo Grove).